Transition Decision Algorithm for Energy Saving in OBS Network with LPI 


Vol. 37,  No. 5, pp. 317-326, May  2012


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  Abstract

Recently, many researchers have studied to solve the energy consumption of network equipments since the interest of Green IT has been increased. In this paper, we apply Low Power Idle (LPI) to OBS network to reduce energy consumption of network devices. Many previous researches have focused on maximizing the sleep time of network equipments to increase the energy saving efficiency of LPI. But transition overhead caused by LPI might not only depreciate the performance of energy saving but also increase packet delay. In this paper, Transition Decision (TD) algorithm is proposed to improve energy saving efficiency by reducing the number of unnecessary transition and guarantee the required QoS such as packet delay. To evaluate the performance of proposed algorithm, we model OBS edge router with LPI by OPNET and analyze the performance of the proposed algorithm in views of energy saving, transition count and average packet delay.

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  Cite this article

[IEEE Style]

D. Kang, W. Yang, K. Lee, Y. Kim, "Transition Decision Algorithm for Energy Saving in OBS Network with LPI," The Journal of Korean Institute of Communications and Information Sciences, vol. 37, no. 5, pp. 317-326, 2012. DOI: .

[ACM Style]

Dong-Ki Kang, Won-Hyuk Yang, Ki-Beom Lee, and Young-Chon Kim. 2012. Transition Decision Algorithm for Energy Saving in OBS Network with LPI. The Journal of Korean Institute of Communications and Information Sciences, 37, 5, (2012), 317-326. DOI: .

[KICS Style]

Dong-Ki Kang, Won-Hyuk Yang, Ki-Beom Lee, Young-Chon Kim, "Transition Decision Algorithm for Energy Saving in OBS Network with LPI," The Journal of Korean Institute of Communications and Information Sciences, vol. 37, no. 5, pp. 317-326, 5. 2012.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880